From 309953e0f24036145a95248060a33217e15ccb38 Mon Sep 17 00:00:00 2001
From: Feoramund <161657516+Feoramund@users.noreply.github.com>
Date: Tue, 3 Sep 2024 01:14:17 -0400
Subject: Return false if `Small_Array` can't append multiple elements

Fixes #4177
---
 core/container/small_array/small_array.odin | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'core/container/small_array')

diff --git a/core/container/small_array/small_array.odin b/core/container/small_array/small_array.odin
index b2068469d..77bb21cbc 100644
--- a/core/container/small_array/small_array.odin
+++ b/core/container/small_array/small_array.odin
@@ -139,9 +139,13 @@ clear :: proc "contextless" (a: ^$A/Small_Array($N, $T)) {
 	resize(a, 0)
 }
 
-push_back_elems :: proc "contextless" (a: ^$A/Small_Array($N, $T), items: ..T) {
-	n := copy(a.data[a.len:], items[:])
-	a.len += n
+push_back_elems :: proc "contextless" (a: ^$A/Small_Array($N, $T), items: ..T) -> bool {
+	if a.len + builtin.len(items) <= cap(a^) {
+		n := copy(a.data[a.len:], items[:])
+		a.len += n
+		return true
+	}
+	return false
 }
 
 inject_at :: proc "contextless" (a: ^$A/Small_Array($N, $T), item: T, index: int) -> bool #no_bounds_check {
-- 
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